package br.org.acessobrasil.processoacessibilidade.utils.filediff;

/*
 * Copyright (c) Ian F. Darwin, http://www.darwinsys.com/, 1996-2002.
 * All rights reserved. Software written by Ian F. Darwin and others.
 * $Id: LICENSE,v 1.8 2004/02/09 03:33:38 ian Exp $
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 * 
 * Java, the Duke mascot, and all variants of Sun's Java "steaming coffee
 * cup" logo are trademarks of Sun Microsystems. Sun's, and James Gosling's,
 * pioneering role in inventing and promulgating (and standardizing) the Java 
 * language and environment is gratefully acknowledged.
 * 
 * The pioneering role of Dennis Ritchie and Bjarne Stroustrup, of AT&T, for
 * inventing predecessor languages C and C++ is also gratefully acknowledged.
 */
// Diff -- text file difference utility.
// See full docu-comment at beginning of Diff class.
// $Id: Diff.java,v 1.6 2004/02/09 03:34:05 ian Exp $
import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.IOException;

/** This is the info kept per-file. */
public class FileInfo {

	static final int MAXLINECOUNT = 20000;

	DataInputStream file; /* File handle that is open for read. */
	public int maxLine; /* After input done, # lines in file. */
	Node symbol[]; /* The symtab handle of each line. */
	int other[]; /* Map of line# to line# in other file */

	/* ( -1 means don't-know ). */
	/* Allocated AFTER the lines are read. */

	/**
	 * Normal constructor with one filename; file is opened and saved.
	 */
	FileInfo(String filename) {
		symbol = new Node[MAXLINECOUNT + 2];
		other = null; // allocated later!
		try {
			file = new DataInputStream(new FileInputStream(filename));
		} catch (IOException e) {
			System.err.println("Diff can't read file " + filename);
			System.err.println("Error Exception was:" + e);
			System.exit(1);
		}
	}

	// This is done late, to be same size as # lines in input file.
	void alloc() {
		other = new int[symbol.length + 2];
	}

	public Node[] getSymbol() {
		return symbol;
	}

	public int[] getOther() {
		return other;
	}

	public void setOther(int[] other) {
		this.other = other;
	}
};
